Options
The Speech Quality Analysis of Push-to-Talk Services
Date Issued
2008
Date
2008
Author(s)
Tsai, Kun-Yi
Abstract
With the popularity of VoIP, Push-To-Talk (PTT) services over the IP networks have gained their momentum. This research aims at essential design issues for speech quality of PTT services. We explore the relationship between speech quality and system design issues. MOS (Mean Opinion Score), that is raised by the ITU-T (International Telecommunication Union) as one of the most common benchmarks, is studied under factors in system designs and implementations. In particular, we will focus on the analysis of packet delay, jitter, and packet loss for PTT services. Experiments are designed and executed with the considerations of PTT characteristics. Our goal is to provide more understanding of MOS versus PTT and deliver insights in future PTT system designs.
Subjects
Push-to-Talk
Speech Quality
MOS
Jitter
VoIP
Type
thesis
File(s)
No Thumbnail Available
Name
ntu-97-P94922008-1.pdf
Size
23.32 KB
Format
Adobe PDF
Checksum
(MD5):afbb992127c3532b40271ced1278c12e